CN213303992U - Unhooking device of vacuum circuit breaker - Google Patents
Unhooking device of vacuum circuit breaker Download PDFInfo
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- CN213303992U CN213303992U CN202022180476.1U CN202022180476U CN213303992U CN 213303992 U CN213303992 U CN 213303992U CN 202022180476 U CN202022180476 U CN 202022180476U CN 213303992 U CN213303992 U CN 213303992U
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- circuit breaker
- pin
- energy storage
- tripping
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Abstract
The utility model relates to an unhook device relates to a vacuum circuit breaker's unhook device particularly, the tripping device who is connected with the circuit breaker main shaft, tripping device is connected with actuating mechanism, actuating structure is connected with the separating brake semi-axis, actuating mechanism includes a turning block, be equipped with on the turning block with pivot and the stirring round pin that the separating brake semi-axis is connected still include an insulation board, the insulation board pass through the connecting plate with the pivot connection of turning block, be equipped with electromagnetism energy storage portion on the insulation board, be equipped with the connecting pin in the electromagnetism energy storage portion, the connecting pin pass through the spring with tripping device connects, actuating mechanism still includes first curb plate, electromagnetism energy storage portion, insulation board and connecting plate are fixed on the first curb plate. The utility model provides a pair of vacuum circuit breaker's unhook device strikes the separating brake semi-axis through spring energy storage, and is fast, and the striking dynamics is big, can guarantee that the circuit breaker main shaft can realize the separating brake reliably.
Description
Technical Field
The utility model relates to a tripping device relates to a vacuum circuit breaker's tripping device particularly.
Background
The existing mechanical tripping device of the vacuum circuit breaker usually realizes tripping by instantly impacting a tripping half shaft through a coil, the coil is easily burnt out when the coil is supplied with energy in order to provide enough energy for the coil, and the tripping force of the coil is small, so that the risk of unreliable tripping can exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the not enough of prior art, provide a vacuum circuit breaker unhook device that can realize reliable separating brake.
In order to realize the above purpose, the unhooking device of vacuum circuit breaker is designed, include the tripping device who is connected with the circuit breaker main shaft, tripping device is connected with actuating mechanism, actuating structure is connected with the separating brake semi-axis, actuating mechanism includes a turning block, be equipped with on the turning block with pivot and the stirring round pin that the separating brake semi-axis is connected, still include an insulating plate, the insulating plate pass through the connecting plate with the pin connection of turning block, be equipped with electromagnetism energy storage portion on the insulating plate, be equipped with the connecting pin in the electromagnetism energy storage portion, the connecting pin pass through the spring with tripping device connects, actuating mechanism still includes first curb plate, electromagnetism energy storage portion, insulating plate and connecting plate are fixed on the first curb plate.
Further, tripping device include with the link board that the circuit breaker main shaft is connected, link the board and pass through limiting plate and spacer pin connection, the limiting plate with the connecting pin is connected, can drive the limiting plate to the direction of spacer pin removes, the spacer pin is connected with the couple of actuating mechanism turning block lower part.
Furthermore, the tripping mechanism further comprises a second side plate, the second side plate is welded with the first side plate, and the second side plate is connected with a shaft pin of the rotating block.
Further, tripping device's limiting plate includes first bent plate and second bent plate, first bent plate with link the board with spring coupling, the second bent plate lower part is equipped with the guide way, be equipped with the uide pin on the guide way, the uide pin is fixed on the second curb plate.
Further, the connecting pin slides on a guide groove formed by welding the first side plate and the second side plate.
Further, the first bending plate and the second side plate are connected through a shaft.
The utility model discloses still have following preferred technical scheme:
and the connecting plate is provided with a buffer spring.
Furthermore, the electromagnetic energy storage part comprises a permanent magnet, a coil is sleeved outside the permanent magnet, and the coil is electrically connected with the self-powered device.
Further, the self-powered device is powered by a main loop current transformer.
Beneficial effects of the utility model
The utility model provides a vacuum circuit breaker's unhook device's advantage lies in through spring energy storage
The impact on the opening half shaft is fast, the impact force is large, the opening of the main shaft of the circuit breaker can be reliably realized, and meanwhile, the tripping mechanism can limit the action of the executing mechanism in the opening state, so that the damage of fault current to electrical equipment and circuits can be effectively avoided.
Drawings
Fig. 1 is a schematic view illustrating a structure of a decoupling device of a vacuum circuit breaker according to the present invention;
fig. 2 schematically shows a structure of an actuator of a trip device of a vacuum circuit breaker in an energy storage position according to the present invention;
fig. 3 schematically shows a structure of an actuator of a trip device of a vacuum circuit breaker in a release position according to the present invention;
fig. 4 is a schematic view schematically showing the mounting of the unhooking device of the vacuum circuit breaker on the main shaft of the circuit breaker mechanism and the opening half shaft;
in the figure: 1. the breaker comprises a first bent plate 2, a shaft 3, a connecting piece 4, a guide pin 5, a second bent plate 6, a connecting plate 7, a limiting pin 8, a shaft pin 9, an insulating plate 10, an electromagnetic energy storage part 11, a connecting pin 12, a spring 13, a first side plate 14, a shifting pin 15, a rotating block 16, a connecting plate 17, a buffer spring 18, a fixing pin 19, a second side plate 20, a breaker main shaft crank arm 21 and a breaking half shaft.
Detailed Description
The technical solution adopted by the present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1, the utility model provides a vacuum circuit breaker's unhook device includes two parts, is tripping device and actuating mechanism respectively, wherein actuating mechanism installs inside tripping device, tripping device is connected with circuit breaker main shaft turning arm, actuating mechanism is connected with the separating brake semi-axis. Referring to fig. 2, 3 and 4, the trip mechanism includes a link plate 16 connected to the breaker spindle crank arm 20; with the limiting plate that even board 16 is connected through fixed pin 18, the limiting plate has included first bent plate 1 and second bent plate 5, first bent plate 1 and second bent plate 5 pass through connecting piece 3 and connect, the one end of second bent plate 5 is equipped with spacer pin 7, and the lower part is equipped with the guide way, be equipped with uide pin 4 on the guide way, second curb plate 19 is connected to uide pin 4, second curb plate 19 still through axle 2 with first bent plate 1 is connected.
The actuating mechanism is connected with a limiting pin 7 of the tripping mechanism through a rotating block 15, a hook-shaped structure is arranged on the lower portion of the rotating block 15 and can hook the limiting pin 7, a poking pin 14 is arranged on the upper portion of the connecting block, the poking pin 14 is connected with a tripping half shaft 21, a connecting plate 6 is arranged in the middle of the rotating block 15, a shaft pin 8 is arranged at the position of the connecting plate 6, and the shaft pin 8 is also connected with the tripping half shaft 21. The other end of the connecting plate 6 is connected with an insulating plate 9, an electromagnetic energy storage part 10 is arranged on the insulating plate 9, the electromagnetic energy storage part 10 comprises a permanent magnet, a coil is wound on the permanent magnet, and the coil is connected with a self-powered device. The other end of the electromagnetic energy storage part 10 is provided with a connecting pin 11, and the connecting pin 11 is connected with the first bending plate 1 through a spring 12. The electromagnetic energy storage part 10, the insulation board 9 and the connecting board 6 are fixed on a first side board 13, the first side board 13 and the second side board 19 are located on the same side, the first side board 13 and the second side board are connected through welding to form a chute, and the first bent board 1 can drive the connecting piece 3 to slide in the chute.
The fixing pin 18 and the connecting plate 16 are also provided with a buffer spring 17.
Furthermore, the working principle of the present invention is further explained to help the field
The technical staff better understands the utility model.
The utility model relates to a mechanical tripping device, wherein the theory of operation of electromagnetism energy storage portion is through the spring
After energy storage, the magnetism is kept through the permanent magnet, a coil is sleeved outside the electromagnetic energy storage part and is connected with the self-powered device,
4 the self-powered device supplies power through the current transformer of the main loop, and the current of the main loop is over-current or line fault
When the current of the main loop is increased instantaneously, the self-powered device emits an electric signal at the instant of emitting the electric signal
The external coil of the electromagnetic energy storage part is electrified, the magnetism of the permanent magnet is weakened instantly, the spring quickly releases energy and the impact is rotated
The moving block drives the mechanism opening half shaft to realize opening, and because the energy released by the spring impacts the opening half shaft, the speed is high,
the impact force is large, the brake can be reliably separated, the risk of coil tripping can be well compensated, and the method is simple
And (4) reliability.
When the main shaft crank arm 20 of the circuit breaker is switched on and switched off, the connecting plate 16 is driven, and the connecting plate 16 and the first bent plate 1 pass through the shaft pin
18, a buffer spring is arranged between the shaft pin 18 and the connecting plate 16 to prevent the main shaft crank arm 20 from passing the switching-on and switching-off speed
The first bent plate 1 drives the connecting piece 3 to weld the first side plate 13 and the second side plate 19
So that the connecting piece 3 is mounted on the second bending plate 5 and the second bending plate 5 is in the guide pin
The electromagnetic energy storage part 10, the insulating plate 9 and the connecting plate 6 are fixed on the first side together
On the plate 13, the shaft pin 8 is fixed through the connecting plate 6 and the second side plate 19, the rotating block 15 rotates on the shaft pin 8,
the toggle pin 14 is mounted on the upper end of the rotating block 15.
When the circuit breaker mechanism is switched on, the main shaft crank arm 20 of the circuit breaker rotates clockwise, so that the first bending plate 1 pushes
The connecting piece 3 and the second bent plate 5 drive the limiting pin 7 to move, so that the limiting pin 7 is far away from the rotating block 15, and the connecting piece and the second bent plate drive the limiting pin 7 to move
When the power supply device sends an electrical signal to the electromagnetic energy storage portion 10, the electromagnetic energy storage portion drives the insulating plate to impact
And the rotating block 15 drives the shifting pin 14 to rotate the opening half shaft, so that the opening of the circuit breaker mechanism is realized.
When the breaker mechanism is opened, the main shaft crank arm 20 of the breaker rotates anticlockwise to push the first bent plate 1,
the first bending plate 1 pulls the spring 12, the spring 12 pulls the connecting pin 11, the connecting pin 11 and the second bending plate 5
The connection is made, so that the second bent plate 5 drives the limit pin 7 to extrude the lower end of the rotating block 15, and the electromagnetic energy storage part 10 stores energy
At this time, the stopper pin 7 can restrict the operation of the actuator.
The above, only the specific embodiments of the present invention are described, but the present invention is not limited thereto
To which no limitation is intended, any person skilled in the art is allowed within the technical scope of the present invention,
the technical solution and novel concept of the present invention should be covered by the present invention with the equivalent substitution or change
Within the protection range of the utility model.
Claims (9)
1. The utility model provides a vacuum circuit breaker's unhook device, its characterized in that includes the tripping device who is connected with the circuit breaker main shaft, tripping device is connected with actuating mechanism, actuating mechanism is connected with the separating brake semi-axis, actuating mechanism includes a turning block, be equipped with on the turning block with pivot and the round pin of stirring that the separating brake semi-axis is connected, still include an insulation board, the insulation board pass through the connecting plate with the pivot connection of turning block, be equipped with electromagnetism energy storage portion on the insulation board, be equipped with the connecting pin in the electromagnetism energy storage portion, the connecting pin pass through the spring with tripping device connects, actuating mechanism still includes first curb plate, electromagnetism energy storage portion, insulation board and connecting plate are fixed on the first curb plate.
2. The unhooking device of the vacuum circuit breaker according to claim 1, wherein the tripping mechanism comprises a connecting plate connected with the main shaft of the circuit breaker, the connecting plate is connected with a limiting pin through a limiting plate, the limiting plate is connected with the connecting pin and can drive the limiting plate to move towards the limiting pin, and the limiting pin is connected with a hook at the lower part of the rotating block of the actuating mechanism.
3. The unhooking device of a vacuum circuit breaker according to claim 2, wherein the tripping mechanism further comprises a second side plate welded to the first side plate, and the second side plate is connected to the pivot pin of the rotating block.
4. The unhooking device of a vacuum circuit breaker according to claim 3, wherein the limiting plate of the tripping mechanism comprises a first bending plate and a second bending plate, the first bending plate is connected with the connecting plate and the spring, a guide groove is formed in the lower portion of the second bending plate, a guide pin is arranged on the guide groove, and the guide pin is fixed on the second side plate.
5. The unhooking device of a vacuum circuit breaker according to claim 4, wherein the connecting pin slides on a guide groove formed by welding the first side plate and the second side plate.
6. The unhooking device of a vacuum interrupter as claimed in claim 5, wherein the first bending plate and the second side plate are connected by a shaft.
7. The unhooking device of a vacuum interrupter as claimed in claim 2, wherein the link plate is provided with a buffer spring.
8. The unhooking device of a vacuum circuit breaker according to claim 2, wherein the electromagnetic energy storage portion comprises a permanent magnet, and a coil is sleeved outside the permanent magnet and electrically connected with the self-powering device.
9. The unhooking device of a vacuum interrupter as claimed in claim 8, wherein the self-powered device is powered by a main circuit current transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022180476.1U CN213303992U (en) | 2020-09-29 | 2020-09-29 | Unhooking device of vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022180476.1U CN213303992U (en) | 2020-09-29 | 2020-09-29 | Unhooking device of vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213303992U true CN213303992U (en) | 2021-05-28 |
Family
ID=76010692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022180476.1U Active CN213303992U (en) | 2020-09-29 | 2020-09-29 | Unhooking device of vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213303992U (en) |
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2020
- 2020-09-29 CN CN202022180476.1U patent/CN213303992U/en active Active
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